1047449133 has 6 divisors (see below), whose sum is σ = 1512982094. Its totient is φ = 698299416.

The previous prime is 1047449131. The next prime is 1047449149. The reversal of 1047449133 is 3319447401.

1047449133 is a `hidden beast` number, since 10 + 474 + 49 + 133 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1040256009 + 7193124 = 32253^2 + 2682^2 .

It is not a de Polignac number, because 1047449133 - 2¹ = 1047449131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047449131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58191610 + ... + 58191627.

Almost surely, 2^1047449133 is an apocalyptic number.

It is an amenable number.

1047449133 is a deficient number, since it is larger than the sum of its proper divisors (465532961).

1047449133 is a wasteful number, since it uses less digits than its factorization.

1047449133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116383243 (or 116383240 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1047449133 is about 32364.3188249035. The cubic root of 1047449133 is about 1015.5726125852.

The spelling of 1047449133 in words is "one billion, forty-seven million, four hundred forty-nine thousand, one hundred thirty-three".